24<S O. A. H(iULI-;NtiKK 



loreal and temporal rejirions dark brown ; supratemporal fold 

 black; flanks with vertical dark hands; limhs with dark cross- 

 bands, which extend to, and are dark brown or black on the 

 liiniler side of the thigiis ; lower surfaces white, throat mottled 

 with brow-n. Male with a large external gular vocal sac. 



From snout to vent 67 millim. 



Two specimens, male and female. 



Allied to //. boa?is, Daud., which differs in the larger choan;i', 

 the longer snout, tlie shorter web between the fingers, and the 

 absence of dark bars on the flanks and sides of thighs. 



13. Hyla nasica, Cope (Pi. II. iig. 4). 



11. Hyla phrynoderma , sp. n. (PI. II. tig. 3). 



Tongue subcircular , indistinctly nicked and slightly free 

 behind. Vomerine teeth in two short transverse series, close 

 together, between the rather small choannc. Head moderate, as 

 long as broad; snout rounded, sliglitly prominent, as long as 

 the diameter of the orbit; nostril much nearer the end of the 

 snout than the eye , the diameter of which is less than its 

 distance from the nostril ; no canti lus rostralis ; loreal region 

 very slightly concave; interorbital space as broad as the upper 

 eyelid ; no frontoparietal fontanelle ; tympanum very distinct , 

 three fourths the diameter of the eye. Fingers free ; no projec- 

 ting rudiment of pollex ; toes nearly entirely w^ebbed ; disks 

 two thirds the si/e of the tympanum ; subarticular tubercles 

 well developed ; no tarsal fold. The ti bio -tarsal articulation 

 reaches the anterior border of the eye or between the latter 

 and the nostril. Upper surfaces covered with numerous small 

 round warts of unequal sizes ; a fold above the tympanum ; 

 throat , belly, and lower surfaces granulate. Olive-grey above , 

 with dark markings, viz. a large saddle -shaped spot on the 

 sacral region, a triangular spot, with tlie-apex (hrected back- 

 wards, between the eyes, a curved streak behind the eye, and 

 vertical bars on the upper lip ; limbs with dark cross-bands ; 

 hinder side of thighs marbled with dai-k brown; lower parts 



